{"id":"W2083825283","doi":"10.4141/s04-054","title":"Estimation of soil nitrogen supply in potato fields using a plant bioassay approach","year":2005,"lang":"en","type":"article","venue":"Canadian Journal of Soil Science","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":52,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Fertilizer; Agronomy; Sowing; Human fertilization; Biomass (ecology); Environmental science; Soil test; Vegetation (pathology); Bioassay; Field trial; Crop; Soil water; Soil science; Biology; Ecology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002858609,0.0003635842,0.000392722,0.0004017121,0.000255731,0.0003357045,0.0003269587,0.0003090338,0.0004635741],"category_scores_gemma":[0.0002890633,0.0003061231,0.0001680062,0.000338757,0.0001782083,0.000279096,0.000268304,0.0004105328,0.0001514501],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004926393,"about_ca_system_score_gemma":0.0003136221,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002991583,"about_ca_topic_score_gemma":0.00900485,"domain_scores_codex":[0.9997512,0.00003033126,0.00002122823,0.0001245479,0.00005602289,0.00001672252],"domain_scores_gemma":[0.9994642,0.0001638209,0.0001623182,0.00006095645,0.00008578089,0.00006290977],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0002130392,0.00007268589,0.01883475,0.00007139649,0.00002575409,0.00003597382,0.00005429332,0.000420484,0.9762655,0.00001527667,0.00001596953,0.003974863],"study_design_scores_gemma":[0.00005689235,0.004601535,0.4991501,0.00003012478,0.0001193241,0.0003698253,0.0002298674,0.007075777,0.4861629,0.0001376037,0.002021784,0.00004429518],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9946631,0.0003455319,0.004043378,0.00001044912,0.000003638794,0.00004013378,0.0002802731,0.0000357171,0.0005777457],"genre_scores_gemma":[0.9856849,0.0006520899,0.01078758,0.00007028131,0.000006311092,0.0002145518,0.001113246,0.00001695386,0.001454049],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002991583,"threshold_uncertainty_score":0.005948365,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02012571734461608,"score_gpt":0.2168674901017004,"score_spread":0.1967417727570843,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}